如图是函数f(x)=2sin(ωx+φ)(ω>0,-π/2

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如图是函数f(x)=2sin(ωx+φ)(ω>0,-π/2
如图是函数f(x)=2sin(ωx+φ)(ω>0,-π/2

如图是函数f(x)=2sin(ωx+φ)(ω>0,-π/2
如图是函数f(x)=2sin(ωx+φ)(ω>0,-π/26π/8+φ=π/2==>φ=-π/4
f(7π/8)=2sin(7π/4+φ)=2==>7π/4+φ=π/2==>φ=-5π/4==>φ=3π/4
∵-π/2

如图是函数f(x)=2sin(ωx+φ)(ω>0,-π/2 已知函数f(x)=sin(ωx+φ)(0 函数f(x)=sin(2x+φ)((|φ| 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f x=SIN(2X+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(0 已知函数F(X)=SIN(2X+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 函数f(x)=sin(2x+φ)(0 已知函数f(x)=sin(2x+φ) (0 设函数f(x)=sin(2x+ φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+ φ)(-π 设函数f(x)=sin(2x+φ)(-π